Global Patent Index - EP 0107871 B1

EP 0107871 B1 19861015 - PROCESS FOR THE PREPARATION OF POLYISOPRENE

Title (en)

PROCESS FOR THE PREPARATION OF POLYISOPRENE

Publication

EP 0107871 B1 19861015 (EN)

Application

EP 83201405 A 19830930

Priority

NL 8204147 A 19821027

Abstract (en)

[origin: US4600757A] A process for the preparation of polyisoprene by polymerizing isoprene in the presence of a beta-TiCl3 containing catalyst is disclosed thereby an activator is prepared by reacting a hydrocarbylaluminum compound and a hydroxy-aromatic compound, having at both ortho-places with respect to the hydroxy-group a secondary or tertiary alkyl-group.

IPC 1-7

C08F 136/08; C08F 4/64

IPC 8 full level

C08F 4/00 (2006.01); C08F 4/60 (2006.01); C08F 4/64 (2006.01); C08F 4/655 (2006.01); C08F 36/00 (2006.01); C08F 136/00 (2006.01); C08F 136/08 (2006.01); C08F 236/00 (2006.01)

CPC (source: EP US)

C08F 136/08 (2013.01 - EP US)

Designated contracting state (EPC)

BE DE FR GB IT NL

DOCDB simple family (publication)

EP 0107871 A1 19840509; EP 0107871 B1 19861015; AU 2056583 A 19840503; AU 560560 B2 19870409; BR 8305888 A 19840529; CA 1219251 A 19870317; DE 3366937 D1 19861120; JP H0425289 B2 19920430; JP S5993704 A 19840530; US 4600757 A 19860715; ZA 837471 B 19840627

DOCDB simple family (application)

EP 83201405 A 19830930; AU 2056583 A 19831025; BR 8305888 A 19831025; CA 438306 A 19831004; DE 3366937 T 19830930; JP 19841383 A 19831025; US 72519685 A 19850418; ZA 837471 A 19831006